3 ms·
A quibble - these objects are not just hypothetical. We have images and other evidence of some particularly large ones. It's the exact rules that are hypotheti
by azernik 4y ago
A quibble - these objects are not just hypothetical. We have images and other evidence of some particularly large ones.
It's the exact rules that are hypothetical.
- ncmncm 4y agoBut we cannot observe Hawking radiation without having, on hand, a black hole small enough to be hotter than the CMB -- or that can be enclosed and protected from it, and the enclosure itself cooled below it, and in a vacuum so hard as not to any have atoms to fall in. All tall orders.